1.

PREPARE INDEX CARD ON METALS AND NON-METALS

Answer»

Metals
1. Iron : making alloy 
2. Silver : making ornaments 
3. COPPER : Making electrical cables 
4. Uranium : In producing energy through NUCLEAR reactions

Non-Metals
1. Chlorine : used as bleaching agent
2. oxygen : inhailig purpose / life SAVING gas
3. CARBON : as lubricant in form of graphite
4. Nitrogen : making fertilizers



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